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RESTRUCTURING ACTIVITIES (Pre-Tax Restructuring charges) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 49	$ 30
Invigorate Program [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs	45	29	$ 9
Facility-related costs	4	1	2
Asset impairment charges	2	3	0
Total restructuring charges	$ 51	$ 33	$ 11

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Amount of other expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses associated with a discontinued operation or an asset retirement obligation.

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